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LR5920 - High Performance Current Mode PWM Switching Power Supply Controller

General Description

perfo rmance versus cost ratio.

265V.Its o ptimized and highly reaso nable circuit

Key Features

  • ¦ Built-in 750V high voltage power switching tube with minimal external parts count ¦ ¦ ¦ ¦ ¦ ¦ ¦ Latched P WM and pulse - by - pulse current limiting inspection Reduced frequency at low o utput with standby po wer consumption below 0.25W Built-in slope and feedback compensation function Separate upper limit current inspectio n co ntroller to handle timely flyback circuit topology to constitute simp le AC/DC converter. The internal initiating circuit of 5920 has been designed with a uniq ue.

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Datasheet Details

Part number LR5920
Manufacturer Leshan Radio Company
File Size 654.19 KB
Description High Performance Current Mode PWM Switching Power Supply Controller
Datasheet download datasheet LR5920 Datasheet

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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LR59 20 High Performance Current Mode PWM Switching Power Supply Controller DESCRIPTION The LR5920 is a current mode PWM switching power supply controller that specifically designed for AC/DC converter with high perfo rmance versus cost ratio. It provides continuo us output power up to 12W in the bro ad voltage range o f 8 5V – 265V.Its o ptimized and highly reaso nable circuit design has made it po ssible to minimize the total cost of the pro duct. This power supply co ntroller could be used in typical FEATURES ¦ Built-in 750V high voltage power switching tube with minimal external parts count ¦ ¦ ¦ ¦ ¦ ¦ ¦ Latched P WM and pulse - by - pulse current limiting inspection Reduced frequency at low o utput with standby po wer consumption below 0.